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Engine-Codes – Nissan – P0037 2009 Nissan Versa

P0037 2009 Nissan Versa Code - HO2S12 Heater Control Circuit Low

Quick Answer

The diagnostic trouble code P0037 for a 2009 Nissan Versa refers to the HO2S12 (Heated Oxygen Sensor 1 Bank 1 Sensor 2) Heater Control Circuit Low. Common causes include Faulty oxygen sensor, Damaged wiring or connectors in the heater circuit, Blown fuse related to the oxygen sensor. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P0037 2009 Nissan Versa indicates HO2S12 Heater Control Circuit Low.
Common causes
Common causes include Faulty oxygen sensor, Damaged wiring or connectors in the heater circuit, Blown fuse related to the oxygen sensor.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
What is this?
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code P0037 2009 Nissan Versa Description

The diagnostic trouble code P0037 for a 2009 Nissan Versa refers to the HO2S12 (Heated Oxygen Sensor 1 Bank 1 Sensor 2) Heater Control Circuit Low. This code indicates that there is a problem with the electrical circuit that controls the heater element in the oxygen sensor located downstream of the catalytic converter. The heater element is crucial for the sensor to reach its operating temperature quickly and accurately measure the oxygen content in the exhaust gases.

OBDII Code P0037 2009 Nissan Versa - HO2S12 Heater Control Circuit Low
P0037 2009 Nissan Versa Code - HO2S12 Heater Control Circuit Low

Common Causes of P0037 2009 Nissan Versa

  1. Faulty oxygen sensor
  2. Damaged wiring or connectors in the heater circuit
  3. Blown fuse related to the oxygen sensor
  4. Malfunctioning ECM
  5. Corrosion or contamination in the sensor or circuit

Symptoms of P0037 2009 Nissan Versa

  1. Check Engine Light illuminated
  2. Poor fuel economy
  3. Rough idling or stalling
  4. Decreased engine performance
  5. Increased emissions

How to Fix P0037 2009 Nissan Versa

  1. Use a scan tool to retrieve the specific trouble code and freeze frame data.
  2. Inspect the wiring and connectors in the heater circuit for any damage or corrosion.
  3. Test the oxygen sensor's heater element for continuity and resistance.
  4. Check the fuse related to the oxygen sensor for continuity and replace if necessary.
  5. If the issue persists, consider replacing the oxygen sensor or addressing any ECM-related issues.

Cost to Fix P0037 2009 Nissan Versa

The typical repair costs for addressing the P0037 code on a 2009 Nissan Versa can range from $150 to $400, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically ranging between $80 and $150. Rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive pricing. For a more accurate estimate, it is recommended to consult with local auto repair shops.

What does this mean?

Tech Notes for P0037 2009 Nissan Versa

The code means that there is a problem with the heater element circuit of the heated oxygen sensor. Water getting inside the heated oxygen sensor connector can caused the heated oxygen sensor fuse to blow, which is a very common problem for this type codes. Before replacing the sensor, check for the condition of the heated oxygen sensor fuse and connectors.

When is the Code Detected?

The P0037 is set when the ECM detects an excessively low voltage through the heated oxygen sensor heater circuit

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0037 2009 Nissan Versa Code

1. What does the OBDII code P0037 on a 2009 Nissan Versa mean?

The code P0037 for a 2009 Nissan Versa indicates a problem with the HO2S12 (Heated Oxygen Sensor Bank 1 Sensor 2) heater control circuit being low.

2. What are the common symptoms of OBDII code P0037 on a 2009 Nissan Versa?

Common symptoms of code P0037 on a 2009 Nissan Versa may include poor fuel economy, rough idling, engine hesitation, and an illuminated check engine light.

3. What are the possible causes of OBDII code P0037 on a 2009 Nissan Versa?

Possible causes of code P0037 on a 2009 Nissan Versa include a faulty HO2S12 sensor, damaged wiring or connectors, a blown fuse, or a problem with the engine control module (ECM).

4. How can I diagnose the OBDII code P0037 on my 2009 Nissan Versa?

Diagnosing code P0037 on a 2009 Nissan Versa involves using a scan tool to retrieve the code, inspecting the HO2S12 sensor and its wiring, checking the fuse, and testing the ECM.

5. Can I still drive my 2009 Nissan Versa with the OBDII code P0037 present?

It is not recommended to drive your 2009 Nissan Versa with the OBDII code P0037 present, as it can lead to poor engine performance and potential damage if left unresolved.

6. How do I repair OBDII code P0037 on my 2009 Nissan Versa?

Repairing code P0037 on a 2009 Nissan Versa may involve replacing the HO2S12 sensor, repairing damaged wiring or connectors, replacing a blown fuse, or reprogramming the ECM.

7. Is it safe to reset the check engine light after fixing OBDII code P0037 on a 2009 Nissan Versa?

After fixing code P0037 on a 2009 Nissan Versa, it is safe to reset the check engine light using a scan tool to clear the error code and ensure the issue has been resolved.

8. How much does it cost to fix OBDII code P0037 on a 2009 Nissan Versa?

The cost to fix code P0037 on a 2009 Nissan Versa can vary depending on the specific issue, but it may range from $100 to $300 for parts and labor.

9. Can a DIY enthusiast repair OBDII code P0037 on a 2009 Nissan Versa?

A DIY enthusiast with automotive repair experience may be able to repair code P0037 on a 2009 Nissan Versa by following a repair manual or online guides, but professional help is recommended for accurate diagnosis and repair.

10. How often does OBDII code P0037 occur in 2009 Nissan Versa vehicles?

OBDII code P0037 for a 2009 Nissan Versa may occur sporadically or due to specific conditions, such as sensor failure or wiring issues, and the frequency can vary based on vehicle usage and maintenance.

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